USB C Hub Multiport Adapter: USB c charging hub has perfectly combined all the functions you need. 1x 4K HDMI,100W Power Delivery PD USB C port, 3x USB 3.0 up to 5Gbps,TF/SD card slot up to 480Mbps. Good helper in your work.Super Fast, High-Def: USB-C and USB-A data ports provide maximum data transmission at speeds up to 5 Gbps (USB 3.0). Macbook usb c hub supports 4K x2160p (4096) HDMI images that bring high -definition 3D resolution experience.